operations. on the ground as well as a no fly zone of western ukraine. there's very few russian forces there. less chance for conflict or tension. russian forces will be warned to stay out of that area. yes, there's more that we would be doing like that. >> even considering that would be an escalation and the potential for direct conflict between the u.s. and russia. >> yes. russia has its hands full right now in eastern ukraine with ukrainian forces. there's very little they can do except huff and puff in a humanitarian assistance zone was declared in western ukraine. >> all right. thank you. president biden arrived moment ago in poland's capital. he's set to meet with ukrainian refugees tomorrow and delivered a major address. we'll take a look ahead, next.